Actress Rhea Pearlman and actor Danny DeVito and their family pose for photographers during the installation ceremony for actor Danny DeVito's star on the Hollywood Walk of Fame on Aug. 18, 2011, in Hollywood, Calif.

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Danny DeVito and his wife Rhea Perlman pose on the red carpet upon arriving for the 45th Goldene Kamera award ceremony in Berlin on Jan. 30, 2010, at which DeVito received the "International Lifetime Achievement" award.

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Danny DeVito and wife Rhea Perlman attend Game 6 of the NBA Western Conference Semifinals between the San Antonio Spurs and the Los Angeles Lakers on May 15, 2004, in Los Angeles.

Actors Danny DeVito and Rhea Perlman arrive for the "The Good Night" premiere at the Eccles Theater during the 2007 Sundance Film Festival on Jan. 25, 2007, in Park City, Utah.

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Actress Rhea Perlman and actor Danny DeVito arrive at the Season 4 DVD launch party of "It's Always Sunny In Philadelphia" at STK on Sept. 10, 2008, in Los Angeles.

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Actors Rhea Perlman and Danny DeVito arrive at the premiere of 20th Century Fox's "Avatar" at the Grauman's Chinese Theatre on Dec. 16, 2009, in Hollywood, Calif.

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Actor Danny DeVito, actress Rhea Perlman and their daughter Lucy DeVito attend the premieres of FX's "It's Always Sunny In Philadelphia" season seven and "The League" season three at the Cinerama Dome on Sept. 13, 2011, in Hollywood, Calif.